15697872561

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39343039}}^1$

素因数の和:39343068

約数の個数: 16

約数和(自身を含む): 25179545600

約数和(自身を除く): 9481673039

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 39343039, 118029117, 275401273, 747517741, 826203819, 2242553223, 5232624187, 15697872561]

約数ペア:

[(1, 15697872561), (3, 5232624187), (7, 2242553223), (19, 826203819), (21, 747517741), (57, 275401273), (133, 118029117), (399, 39343039)]